Blood glucose meter



FIG. 1 is a front, right side, bottom perspective view of a blood glucose meter, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed broken lines in the drawing depict portions of the blood glucose meter that form no part of the claimed design. 

CLAIM The ornamental design for a blood glucose meter, as shown and described. 